CVE-2025-31266
Medium
Description
A spoofing issue was addressed with improved truncation when displaying the fully qualified domain name. This issue is fixed in Safari 18.5, macOS Sequoia 15.5. A website may be able to spoof the domain name in the title of a pop-up window.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Apple Safari
PublishedNov 21, 2025
First seenNov 21, 2025
Weakness typeCWE-451CWE-451
How to fix
Update
- apple safari18.5 or later
- apple macos15.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple safari | v < 18.5 | 18.5 |
| apple macos | v < 15.5 | 15.5 |
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